package com.cdpark.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

public class EncodingFilter implements Filter {

	private String encoding = null;
	
	public void destroy() {

	}

	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain filterChain) throws IOException, ServletException {
		request.setCharacterEncoding(encoding);
		response.setCharacterEncoding(encoding);
		filterChain.doFilter(request, response);

	}

	public void init(FilterConfig filterConfig) throws ServletException {
		encoding = filterConfig.getInitParameter("encoding");
		if(encoding == null) {
			encoding = "GB2312";
		}

	}

}
